Comments on “Optimization of Ultrasound-Assisted Extraction of phenolic compounds and anthocyanins from blueberry (Vaccinium ashei) wine pomace”, Food Chemistry 204 (2016) 70-76, DOI: 10.1016/j.foodchem.2016.02.094

In this letter to editors, several comments are made to the paper by He and coworkers "Optimization of Ultrasound-Assisted Extraction of phenolic compounds and anthocyanins from blueberry (Vaccinium ashei) wine pomace", Food Chemistry 204 (2016) 70-76, DOI: 10.1016/j.foodchem.2016.02.094.